My Girlfriend is an Agent

My Girlfriend is an Agent continues to slam the box office in Korea coming in third now, behind Terminator and Angels & Demons.

The story follows Su-Ji who is a government spy but cannot reveal herself to her boyfriend Jae-joon. The couple break up after Jae-joon cannot take more lying, he grows increasingly suspicious and leaves her.

Three years later Su-Ji is disguised as a cleaning lady while in persuit of an industrial spy, she happens to run into Jae-joon who has become an international top level accountant, seeing him again brings back feelings, but is Jae-joon being honest to her? The couple end up chasing the same criminal as they both have taken up the career of undercover agents.